Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2020 1 18.  Predictions up to the next  14.0 days:

     Date     Time(AURA) AURA Lat/Lon Date Time(NPP) NPP Lat/Lon    Distance(km)  Time Diff(sec)
 01/20/2020   11:25:02   (  79.45, -94.75) 01/20/2020   11:24:02  (  79.44, -94.90)    3.13                60
 01/20/2020   12:14:22   ( -79.72,  74.81) 01/20/2020   12:14:39  ( -79.71,  74.77)    0.66                17
 01/23/2020   03:41:29   (  79.54,  21.79) 01/23/2020   03:40:52  (  79.53,  21.67)    2.60                37
 01/23/2020   04:30:49   ( -79.81,-168.60) 01/23/2020   04:31:29  ( -79.81,-168.61)    0.38                40
 01/25/2020   19:57:56   (  79.63, 138.32) 01/25/2020   19:57:42  (  79.63, 138.25)    1.69                14
 01/25/2020   20:47:17   ( -79.86, -52.30) 01/25/2020   20:48:20  ( -79.86, -52.28)    0.55                63
 01/28/2020   11:25:02   ( -79.55,  85.93) 01/28/2020   11:23:53  ( -79.55,  86.07)    2.87                69
 01/28/2020   12:14:23   (  79.72,-105.16) 01/28/2020   12:14:32  (  79.72,-105.18)    0.38                 9
 01/31/2020   03:41:31   ( -79.52,-158.37) 01/31/2020   03:40:46  ( -79.51,-158.47)    2.03                45